E-bikes are good for both you and the planet. Reports estimate that one person using an e-bike instead of a gas-powered car could reduce their carbon footprint by nearly 500 pounds of CO2 per year.

Add Yahoo as a preferred source to see more of our stories on Google. You can score up to $900 off (plus you may get some freebies too) when you buy an e-bike on Earth Day. (April McCormick) (April ...